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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2010-2011, NVIDIA Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"> *   * Redistributions of source code must retain the above copyright</span>
<a name="l00008"></a>00008 <span class="comment"> *     notice, this list of conditions and the following disclaimer.</span>
<a name="l00009"></a>00009 <span class="comment"> *   * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00010"></a>00010 <span class="comment"> *     notice, this list of conditions and the following disclaimer in the</span>
<a name="l00011"></a>00011 <span class="comment"> *     documentation and/or other materials provided with the distribution.</span>
<a name="l00012"></a>00012 <span class="comment"> *   * Neither the name of NVIDIA Corporation nor the</span>
<a name="l00013"></a>00013 <span class="comment"> *     names of its contributors may be used to endorse or promote products</span>
<a name="l00014"></a>00014 <span class="comment"> *     derived from this software without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00017"></a>00017 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00018"></a>00018 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00019"></a>00019 <span class="comment"> * DISCLAIMED. IN NO EVENT SHALL &lt;COPYRIGHT HOLDER&gt; BE LIABLE FOR ANY</span>
<a name="l00020"></a>00020 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00021"></a>00021 <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00022"></a>00022 <span class="comment"> * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00023"></a>00023 <span class="comment"> * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00024"></a>00024 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00025"></a>00025 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#pragma once</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;<a class="code" href="bvh_8h.html" title="Entry point to the generic Bounding Volume Hierarchy library.">nih/bvh/bvh.h</a>&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;algorithm&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;stack&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;limits&gt;</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="keyword">namespace </span>nih {
<a name="l00036"></a>00036 
<a name="l00040"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html">00040</a> <span class="keyword">class </span><a class="code" href="classnih_1_1_bvh__sah__builder.html">Bvh_sah_builder</a>
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="keyword">public</span>:
<a name="l00043"></a>00043     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_vector.html">Vector3f</a>            <a class="code" href="structnih_1_1_vector.html">Vector_type</a>;
<a name="l00044"></a>00044     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bbox.html">Bbox3f</a>              <a class="code" href="structnih_1_1_bbox.html">Bbox_type</a>;
<a name="l00045"></a>00045     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bvh.html">Bvh&lt;3u&gt;</a>             <a class="code" href="structnih_1_1_bvh.html">Bvh_type</a>;
<a name="l00046"></a>00046     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bvh__node.html">Bvh_node</a>            <a class="code" href="structnih_1_1_bvh__node.html">Bvh_node_type</a>;
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="structnih_1_1_bvh__sah__builder_1_1_stats.html">00048</a>     <span class="keyword">struct </span><a class="code" href="structnih_1_1_bvh__sah__builder_1_1_stats.html">Stats</a>
<a name="l00049"></a>00049     {
<a name="l00050"></a>00050         uint32 m_max_depth;
<a name="l00051"></a>00051     };
<a name="l00052"></a>00052 
<a name="l00054"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#ab661bd7a124f248024f610a5375999ff">00054</a>     <a class="code" href="classnih_1_1_bvh__sah__builder.html#ab661bd7a124f248024f610a5375999ff" title="constructor">Bvh_sah_builder</a>() :
<a name="l00055"></a>00055         m_max_leaf_size( 4u ),
<a name="l00056"></a>00056         m_force_splitting( true ),
<a name="l00057"></a>00057         m_force_alignment( false ),
<a name="l00058"></a>00058         m_partial_build( false ),
<a name="l00059"></a>00059         m_single_axis_threshold( 1024*1024*64 ) {}
<a name="l00060"></a>00060 
<a name="l00062"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#abf1b7f40c72041ba506cbab839a87422">00062</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#abf1b7f40c72041ba506cbab839a87422" title="set bvh parameters">set_max_leaf_size</a>(<span class="keyword">const</span> uint32 max_leaf_size) { m_max_leaf_size = max_leaf_size; }
<a name="l00063"></a>00063 
<a name="l00065"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#a77428bfa9452f5293795ceac44a22c7a">00065</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#a77428bfa9452f5293795ceac44a22c7a" title="set force splitting">set_force_splitting</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_force_splitting = flag; }
<a name="l00066"></a>00066 
<a name="l00068"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#a5cf76e37ce58b2b8b98d86dfaadf6598">00068</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#a5cf76e37ce58b2b8b98d86dfaadf6598" title="set force &#39;max leaf size&#39;-aligned splits">set_force_alignment</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_force_alignment = flag; }
<a name="l00069"></a>00069 
<a name="l00071"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#a9fffff6b80bf9452cae3a807e38f7e03">00071</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#a9fffff6b80bf9452cae3a807e38f7e03" title="set partial build">set_partial_build</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_partial_build = flag; }
<a name="l00072"></a>00072 
<a name="l00074"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#a6f0353261ef5cfc1dae643d779f6e277">00074</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#a6f0353261ef5cfc1dae643d779f6e277" title="set single axis test threshold">set_single_axis_threshold</a>(<span class="keyword">const</span> uint32 v) { m_single_axis_threshold = v; }
<a name="l00075"></a>00075 
<a name="l00083"></a>00083     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;
<a name="l00084"></a>00084     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#aa056c2970c0dcf4f155f90f7a56355eb">build</a>(
<a name="l00085"></a>00085         Iterator        begin,
<a name="l00086"></a>00086         Iterator        end,
<a name="l00087"></a>00087         Bvh_type*       bvh,
<a name="l00088"></a>00088         <a class="code" href="structnih_1_1_stats.html">Stats</a>*          stats = NULL);
<a name="l00089"></a>00089 
<a name="l00097"></a>00097     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator, <span class="keyword">typename</span> CostIterator&gt;
<a name="l00098"></a>00098     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#aa056c2970c0dcf4f155f90f7a56355eb">build</a>(
<a name="l00099"></a>00099         Iterator        begin,
<a name="l00100"></a>00100         Iterator        end,
<a name="l00101"></a>00101         CostIterator    cost_begin,
<a name="l00102"></a>00102         Bvh_type*       bvh,
<a name="l00103"></a>00103         <a class="code" href="structnih_1_1_stats.html">Stats</a>*          stats = NULL);
<a name="l00104"></a>00104 
<a name="l00106"></a><a class="code" href="classnih_1_1_bvh__sah__builder.html#a8a807a067d1870d23313781ee76a9e34">00106</a>     uint32 <a class="code" href="classnih_1_1_bvh__sah__builder.html#a8a807a067d1870d23313781ee76a9e34" title="remapped point index">index</a>(<span class="keyword">const</span> uint32 i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_entities[m_indices[0][i]].m_index; }
<a name="l00107"></a>00107 
<a name="l00108"></a>00108 <span class="keyword">private</span>:
<a name="l00109"></a>00109     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_bvh__sah__builder.html#aa056c2970c0dcf4f155f90f7a56355eb">build</a>(
<a name="l00110"></a>00110         <span class="keyword">const</span> uint32    n_entities,
<a name="l00111"></a>00111         Bvh_type*       bvh,
<a name="l00112"></a>00112         <a class="code" href="structnih_1_1_stats.html">Stats</a>*          stats);
<a name="l00113"></a>00113 
<a name="l00114"></a>00114     <span class="keyword">class </span>Predicate;
<a name="l00115"></a>00115     <span class="keyword">class </span>IndexSortPredicate;
<a name="l00116"></a>00116 
<a name="l00117"></a>00117     <span class="keyword">struct </span>Entity
<a name="l00118"></a>00118     {
<a name="l00119"></a>00119         Bbox_type   m_bbox;
<a name="l00120"></a>00120         uint32      m_index;
<a name="l00121"></a>00121         <span class="keywordtype">float</span>       m_cost;
<a name="l00122"></a>00122     };
<a name="l00123"></a>00123 
<a name="l00124"></a>00124     <span class="keyword">struct </span>Node
<a name="l00125"></a>00125     {
<a name="l00126"></a>00126         Bbox_type m_bbox;
<a name="l00127"></a>00127         uint32    m_begin;
<a name="l00128"></a>00128         uint32    m_end;
<a name="l00129"></a>00129         uint32    m_node;
<a name="l00130"></a>00130         uint32    m_depth;
<a name="l00131"></a>00131     };
<a name="l00132"></a>00132     <span class="keyword">typedef</span> std::stack&lt;Node&gt; Node_stack;
<a name="l00133"></a>00133 
<a name="l00134"></a>00134     <span class="keywordtype">float</span> area(<span class="keyword">const</span> Bbox3f&amp; bbox);
<a name="l00135"></a>00135 
<a name="l00136"></a>00136     <span class="keywordtype">void</span> compute_bbox(
<a name="l00137"></a>00137         <span class="keyword">const</span> uint32      begin,
<a name="l00138"></a>00138         <span class="keyword">const</span> uint32      end,
<a name="l00139"></a>00139         Bbox_type&amp;          bbox);
<a name="l00140"></a>00140 
<a name="l00141"></a>00141     <span class="keywordtype">bool</span> find_largest_axis_split(
<a name="l00142"></a>00142         <span class="keyword">const</span> Node&amp; node,
<a name="l00143"></a>00143         uint32&amp;   pivot,
<a name="l00144"></a>00144         Bbox_type&amp;  l_bb,
<a name="l00145"></a>00145         Bbox_type&amp;  r_bb);
<a name="l00146"></a>00146 
<a name="l00147"></a>00147     <span class="keywordtype">bool</span> find_best_split(
<a name="l00148"></a>00148         <span class="keyword">const</span> Node&amp; node,
<a name="l00149"></a>00149         uint32&amp;   pivot,
<a name="l00150"></a>00150         Bbox_type&amp;  l_bb,
<a name="l00151"></a>00151         Bbox_type&amp;  r_bb);
<a name="l00152"></a>00152 
<a name="l00153"></a>00153     <span class="keyword">struct </span>Bvh_partitioner;
<a name="l00154"></a>00154 
<a name="l00155"></a>00155     uint32                  m_max_leaf_size;
<a name="l00156"></a>00156     <span class="keywordtype">bool</span>                    m_force_splitting;
<a name="l00157"></a>00157     <span class="keywordtype">bool</span>                    m_force_alignment;
<a name="l00158"></a>00158     <span class="keywordtype">bool</span>                    m_partial_build;
<a name="l00159"></a>00159     uint32                  m_single_axis_threshold;
<a name="l00160"></a>00160     std::vector&lt;int&gt;        m_indices[3];           <span class="comment">// indices into entities, one vector per dimension</span>
<a name="l00161"></a>00161     std::vector&lt;Entity&gt;     m_entities;
<a name="l00162"></a>00162     std::vector&lt;Bbox_type&gt;  m_bboxes;
<a name="l00163"></a>00163     std::vector&lt;float&gt;      m_costs;
<a name="l00164"></a>00164     std::vector&lt;int&gt;        m_tmpInt;               <span class="comment">// temp array used during build</span>
<a name="l00165"></a>00165     std::vector&lt;uint8&gt;      m_tag_bits;
<a name="l00166"></a>00166 };
<a name="l00167"></a>00167 
<a name="l00168"></a>00168 <span class="keyword">namespace </span>deprecated {
<a name="l00169"></a>00169 
<a name="l00173"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html">00173</a> <span class="keyword">class </span><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html">Bvh_sah_builder</a>
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 <span class="keyword">public</span>:
<a name="l00176"></a>00176     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_vector.html">Vector3f</a>            <a class="code" href="structnih_1_1_vector.html">Vector_type</a>;
<a name="l00177"></a>00177     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bbox.html">Bbox3f</a>              <a class="code" href="structnih_1_1_bbox.html">Bbox_type</a>;
<a name="l00178"></a>00178     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bvh.html">Bvh&lt;3u&gt;</a>             <a class="code" href="structnih_1_1_bvh.html">Bvh_type</a>;
<a name="l00179"></a>00179     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_bvh__node.html">Bvh_node</a>            <a class="code" href="structnih_1_1_bvh__node.html">Bvh_node_type</a>;
<a name="l00180"></a>00180 
<a name="l00181"></a><a class="code" href="structnih_1_1deprecated_1_1_bvh__sah__builder_1_1_stats.html">00181</a>     <span class="keyword">struct </span><a class="code" href="structnih_1_1deprecated_1_1_bvh__sah__builder_1_1_stats.html">Stats</a>
<a name="l00182"></a>00182     {
<a name="l00183"></a>00183         uint32 m_max_depth;
<a name="l00184"></a>00184     };
<a name="l00185"></a>00185 
<a name="l00187"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a6590df8934a42d73ecd2d7089e0bb43a">00187</a>     <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a6590df8934a42d73ecd2d7089e0bb43a" title="constructor">Bvh_sah_builder</a>() :
<a name="l00188"></a>00188         m_max_leaf_size( 4u ),
<a name="l00189"></a>00189         m_force_splitting( true ),
<a name="l00190"></a>00190         m_force_alignment( false ),
<a name="l00191"></a>00191         m_partial_build( false ),
<a name="l00192"></a>00192         m_single_axis_threshold( 1024*1024*64 ) {}
<a name="l00193"></a>00193 
<a name="l00195"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a7a80ebc7842b083d1f8db1218f9bb5c3">00195</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a7a80ebc7842b083d1f8db1218f9bb5c3" title="set bvh parameters">set_max_leaf_size</a>(<span class="keyword">const</span> uint32 max_leaf_size) { m_max_leaf_size = max_leaf_size; }
<a name="l00196"></a>00196 
<a name="l00198"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#aa00f33c2609507097297d572f6e28172">00198</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#aa00f33c2609507097297d572f6e28172" title="set force splitting">set_force_splitting</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_force_splitting = flag; }
<a name="l00199"></a>00199 
<a name="l00201"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a6e9529f220ebb262c1ac78e832cf10da">00201</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a6e9529f220ebb262c1ac78e832cf10da" title="set force &#39;max leaf size&#39;-aligned splits">set_force_alignment</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_force_alignment = flag; }
<a name="l00202"></a>00202 
<a name="l00204"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a159570720ce4fa0fdb8ec452e93469e3">00204</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a159570720ce4fa0fdb8ec452e93469e3" title="set partial build">set_partial_build</a>(<span class="keyword">const</span> <span class="keywordtype">bool</span> flag) { m_partial_build = flag; }
<a name="l00205"></a>00205 
<a name="l00207"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#afb381e7c565a7af2023bc7d921de195d">00207</a>     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#afb381e7c565a7af2023bc7d921de195d" title="set single axis test threshold">set_single_axis_threshold</a>(<span class="keyword">const</span> uint32 v) { m_single_axis_threshold = v; }
<a name="l00208"></a>00208 
<a name="l00216"></a>00216     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Iterator&gt;
<a name="l00217"></a>00217     <span class="keywordtype">void</span> <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#a7fb4a776c2409db6e3db887fc49b7023">build</a>(
<a name="l00218"></a>00218         Iterator        begin,
<a name="l00219"></a>00219         Iterator        end,
<a name="l00220"></a>00220         Bvh_type*       bvh);
<a name="l00221"></a>00221 
<a name="l00223"></a><a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#aa395159698f1df15ce08d87ff297fe2d">00223</a>     uint32 <a class="code" href="classnih_1_1deprecated_1_1_bvh__sah__builder.html#aa395159698f1df15ce08d87ff297fe2d" title="remapped point index">index</a>(<span class="keyword">const</span> uint32 i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_entities[i].m_index; }
<a name="l00224"></a>00224 
<a name="l00225"></a>00225 <span class="keyword">private</span>:
<a name="l00226"></a>00226     <span class="keyword">class </span>Predicate;
<a name="l00227"></a>00227     <span class="keyword">class </span>IndexSortPredicate;
<a name="l00228"></a>00228 
<a name="l00229"></a>00229     <span class="keyword">struct </span>Entity
<a name="l00230"></a>00230     {
<a name="l00231"></a>00231         Bbox_type   m_bbox;
<a name="l00232"></a>00232         uint32      m_index;
<a name="l00233"></a>00233     };
<a name="l00234"></a>00234 
<a name="l00235"></a>00235     <span class="keyword">struct </span>Node
<a name="l00236"></a>00236     {
<a name="l00237"></a>00237         Bbox_type m_bbox;
<a name="l00238"></a>00238         uint32    m_begin;
<a name="l00239"></a>00239         uint32    m_end;
<a name="l00240"></a>00240         uint32    m_node;
<a name="l00241"></a>00241         uint32    m_depth;
<a name="l00242"></a>00242     };
<a name="l00243"></a>00243     <span class="keyword">typedef</span> std::stack&lt;Node&gt; Node_stack;
<a name="l00244"></a>00244 
<a name="l00245"></a>00245     <span class="keywordtype">float</span> area(<span class="keyword">const</span> Bbox3f&amp; bbox);
<a name="l00246"></a>00246 
<a name="l00247"></a>00247     <span class="keywordtype">void</span> compute_bbox(
<a name="l00248"></a>00248         <span class="keyword">const</span> uint32      begin,
<a name="l00249"></a>00249         <span class="keyword">const</span> uint32      end,
<a name="l00250"></a>00250         Bbox_type&amp;          bbox);
<a name="l00251"></a>00251 
<a name="l00252"></a>00252     <span class="keywordtype">bool</span> find_best_split(
<a name="l00253"></a>00253         <span class="keyword">const</span> Node&amp; node,
<a name="l00254"></a>00254         uint32&amp;   pivot,
<a name="l00255"></a>00255         Bbox_type&amp;  l_bb,
<a name="l00256"></a>00256         Bbox_type&amp;  r_bb);
<a name="l00257"></a>00257 
<a name="l00258"></a>00258     <span class="keyword">struct </span>Bvh_partitioner;
<a name="l00259"></a>00259 
<a name="l00260"></a>00260     uint32                  m_max_leaf_size;
<a name="l00261"></a>00261     <span class="keywordtype">bool</span>                    m_force_splitting;
<a name="l00262"></a>00262     <span class="keywordtype">bool</span>                    m_force_alignment;
<a name="l00263"></a>00263     <span class="keywordtype">bool</span>                    m_partial_build;
<a name="l00264"></a>00264     uint32                  m_single_axis_threshold;
<a name="l00265"></a>00265     std::vector&lt;Entity&gt;     m_entities;
<a name="l00266"></a>00266     std::vector&lt;Bbox_type&gt;  m_bboxes;
<a name="l00267"></a>00267 };
<a name="l00268"></a>00268 
<a name="l00269"></a>00269 } <span class="comment">// namespace deprecated</span>
<a name="l00270"></a>00270 
<a name="l00271"></a>00271 } <span class="comment">// namespace nih</span>
<a name="l00272"></a>00272 
<a name="l00273"></a>00273 <span class="preprocessor">#include &lt;nih/bvh/bvh_sah_builder_inline.h&gt;</span>
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